WO2005008626B1 - Methods and systems for controlling a computer using a video image and for combining the video image with a computer desktop - Google Patents

Methods and systems for controlling a computer using a video image and for combining the video image with a computer desktop

Info

Publication number
WO2005008626B1
WO2005008626B1 PCT/US2004/022268 US2004022268W WO2005008626B1 WO 2005008626 B1 WO2005008626 B1 WO 2005008626B1 US 2004022268 W US2004022268 W US 2004022268W WO 2005008626 B1 WO2005008626 B1 WO 2005008626B1
Authority
WO
WIPO (PCT)
Prior art keywords
video
computer
video streams
stream
user
Prior art date
Application number
PCT/US2004/022268
Other languages
French (fr)
Other versions
WO2005008626A1 (en
Inventor
Paul David Stotts
Jason Mccolm Smith
Original Assignee
Univ North Carolina
Paul David Stotts
Jason Mccolm Smith
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Univ North Carolina, Paul David Stotts, Jason Mccolm Smith filed Critical Univ North Carolina
Priority to US10/562,240 priority Critical patent/US7982751B2/en
Publication of WO2005008626A1 publication Critical patent/WO2005008626A1/en
Publication of WO2005008626B1 publication Critical patent/WO2005008626B1/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/017—Gesture based interaction, e.g. based on a set of recognized hand gestures
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/0304—Detection arrangements using opto-electronic means
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0481—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G06F3/1454—Digital output to display device ; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00—Aspects of display data processing
    • G09G2340/10—Mixing of images, i.e. displayed pixel being the result of an operation, e.g. adding, on the corresponding input pixels

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • User Interface Of Digital Computer (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

Methods and systems for controlling a computer using a video image of a computer user and for combining the video image with a computer desktop are disclosed. In one method, an image of a user is combined and transparently displayed with a computer desktop. The user may point to or manipulate desktop images by making predetermined movements. Images of multiple users in different locations may be combined and displayed on the desktop to facilitate collaboration among users, such as collaborative programming.

Claims

AMENDED CLAIMS [received by the International Bureau on 17 January 2005 (17.01.05) ; claims 1-11, 14-39 amended, claims 40-48 added, remaining claims unchanged (6 pages)]
1. A method for controlling a computer using at least one video image of a plurality of video images, the method comprising: (a) capturing n video streams, n being an integer of at least two, the n video streams each comprising a plurality of video frames and each comprising an image of a user; (b) determining a location of an object in at least one of the π video streams; (c) controlling a program executing on the computer based on the location of the object; (d) combining the n video streams with a user interface stream generated by the computer operating system, thereby forming a composite video stream; and (e) displaying the composite video stream,
2. The method of claim 1 wherein capturing n video streams includes receiving a live video signal of a user generated by a video camera.
3. The method of claim 1 wherein capturing n video streams includes receiving a stored video signal from a video storage device,
4. The method of claim 1 wherein determining the location an object in at least one of the n video streams includes: (a) searching for a predetermined color in one of the n video streams; (b) in response to locating the predetermined color, identifying an occurrence of the predetermined color having the largest area; and (c) determining coordinates of the center of the occurrence of the predetermined color having the largest area.
5. The method of claim 1 wherein controlling a program executing on the computer based on the location of the object comprises: (a) analyzing motion of the object in successive video frames to determine presence of a control event; and (b) controlling the program based on the control event.
6. The method of claim 5 wherein each of the n video streams comprises an image of a different computer user, the object comprises an object associated with a user's hand, and the control event comprises a pointer movement event.
7. The method of claim 5 wherein each of the n video streams comprises an image of a different computer user, the object comprises an object located in a user's hand, and the control event comprises a mouse click event,
8. The method of claim 1 wherein combining the n video streams with the user interface stream generated by the computer operating system includes horizontally reversing frames of the n video streams to produce a mirror image of the frames of the n video streams.
9. The method of claim 1 wherein combining the n video streams with the user interface stream generated by the computer operating system includes transparently overlaying the user interface stream on the n video streams.
10. The method of claim 1 wherein combining the n video streams with the user interface stream generated by the computer operating system includes transparently overlaying the π video streams on the user interface stream.
1 The method of claim 1 wherein combining the n video streams with the user interface stream generated by the computer operating system includes: (a) adjusting a transparency level of at least one of the user interface stream and the n video streams; and (b) generating the composite stream from the user interface stream and the n video streams.
12, The method of claim 11 wherein adjusting the transparency level includes dynamically adjusting the transparency level.
13. The method of claim 1 wherein displaying the composite video stream includes projecting the composite video stream.
14. The method of claim 1 wherein each of the n video streams comprises an image of a different user and wherein the program comprises a collaborative desktop application.
15. The method of claim 14 wherein the collaborative desktop application allows each user to control his or her own mouse pointer on a shared desktop.
16. The method of claim 1 wherein each of the n video streams comprises an image of a different user, wherein at least some of the users are in different locations and wherein the program comprises a distributed computer programming application.
17. A method for combining a plurality of video images, each containing an image of a user, with a computer desktop interface, the method comprising: (a) capturing n video streams, n being an integer of at least two, each video stream comprising a plurality of frames and each comprising an image of a user; (b) transparently combining the n video streams with a computer desktop generated by the computer operating system, thereby forming a composite video stream; and (c) displaying the composite video stream, wherein the composite image includes transparent images of the users displayed with the computer desktop.
18. The method of claim 17 wherein capturing the n video streams includes receiving a live video signal generated by a video camera.
19. The method of claim 1 wherein combining the n video streams with the user interface stream generated by the computer operating system includes horizontally reversing frames of the n video streams to produce a mirror image of the frames of the n video streams.
20. The method of claim 7 wherein combining the n video streams with the user interface stream generated by the computer operating system includes: (a) adjusting a transparency level of at least one of the user interface stream and the n video streams; and (b) generating the composite stream from the user interface stream and the n video streams.
21. The method of claim 20 wherein adjusting the transparency level includes dynamically adjusting the transparency level.
22. The method of claim 17 wherein displaying the composite video stream includes projecting the composite video stream.
23. The method of claim 17 wherein displaying the composite video stream includes displaying the composite video stream on a non-projection computer display device.
24. The method of claim 17 wherein displaying the composite video stream includes displaying a mirror image of each user with the desktop.
25. The method of claim 17 comprising controlling objects on the desktop in response to movement of at least one of the user images.
26. The method of claim 25 wherein controlling objects on the desktop includes moving objects on the desktop.
27. The method of claim 25 wherein controlling objects on the desktop includes activating programs associated with objects on the desktop.
28. The method of claim 1 wherein the desktop comprises the desktop of a computer local to at least one of the users.
29. The method of claim 17 wherein the desktop comprises the desktop of a computer remote from at least one of the users.
30. The method of claim 17 wherein each of the plurality of video streams includes an image of a different user.
31. The method of claim 30 wherein the different users comprise collaborators in distributed computer programming task.
32. The method of claim 30 comprising controlling desktop objects in response to movement of user images in any of the video streams.
33. A computer-readable storage medium containing a set of computer- executable instructions, the set of instructions comprising: (a) n video stream capturing routines, π being an integer of at least two, each of the video stream capturing routines for capturing a different video stream, each video stream comprising a plurality of video frames and an image of a user; (b) a video frame analysis routine for determining a location of an object in at least some of the plurality of video frames; (c) a driver for controlling a program executing on the computer based on the location of the object; (d) a video compositing routine for combining the n video streams with a user interface stream generated by the computer operating system, thereby forming a composite video stream; and (e) a video display routine for displaying the composite video stream.
34. The computer-readable storage medium of claim 33 wherein the user interface driving routine comprises: (a) instructions for searching for a predetermined color in at least one of the n video streams; (b) instructions for identifying an occurrence of the predetermined color having a largest area; and (c) instructions for determining the coordinates of the center of the occurrence of the predetermined color having the largest area.
35. The computer-readable storage medium of claim 33 wherein the video compositing routine comprises: (a) instructions for adjusting the transparency level of at least one of the user interface stream and the n video streams; and (b) instructions for generating the composite stream from the user interface stream and the n video streams.
36. The computer-readable storage medium of claim 33 wherein the video compositing routine comprises instructions for horizontally reversing images of the n video streams to produce a mirror image of the images of the n video streams.
37. The computer-readable storage medium of claim 33 wherein each of the n video streams comprises an image of a different user.
38. The computer-readable storage medium of claim 37 wherein at least some of the users are in different locations.
39. The computer-readable storage medium of claim 38 wherein the different users comprise collaborators in a distributed computer programming task.
40. A computer program product comprising computer-executable instructions embodied in a computer-readable medium for performing steps comprising: (a) receiving n video images, n being an integer of at least two, each video image including an image of a computer user; (b) combining the n video images with a computer desktop image; (c) displaying the combined image; (d) tracking a portion of at least one of the n video images in the combined image; and (e) manipulating objects in the desktop image based on the tracked portion.
41. The computer program product of claim 40 wherein manipulating objects includes highlighting the objects.
42. The computer program product of claim 40 wherein manipulating objects includes moving the objects.
43. The computer program product of claim 40 wherein manipulating objects includes activating programs associated with the objects.
44. The computer program product of claim 40 wherein each video image includes an image of a different user.
45. The computer program product of claim 44 wherein the different users comprise collaborators in a distributed computer programming task.
46. A computer system comprising: (a) a display device; (b) n video cameras for producing n video streams, n being an integer of at least two, each video stream including an image of a user; and (c) a processing unit operatively coupled to the display device and the n video cameras, wherein the processing unit is adapted to: (i) receive the n video streams, each video stream comprising a plurality of video frames; (ii) determine a location of a predetermined object associated with a user in at least one of the plurality of video frames; and (iii) control execution of a program based on the location of the object.
47. The system of claim 46 wherein the n video cameras are each positioned to produce a video stream including an image of a different user.
48. The system of claim 47 wherein the different users comprise collaborators in a distributed computer programming task.
PCT/US2004/022268 2003-07-11 2004-07-09 Methods and systems for controlling a computer using a video image and for combining the video image with a computer desktop WO2005008626A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US10/562,240 US7982751B2 (en) 2003-07-11 2004-07-09 Methods and systems for controlling a computer using a video image and for combining the video image with a computer desktop

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US48651603P 2003-07-11 2003-07-11
US60/486,516 2003-07-11

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WO2005008626B1 true WO2005008626B1 (en) 2005-03-31

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US20060238548A1 (en) 2006-10-26
WO2005008626A1 (en) 2005-01-27
US7982751B2 (en) 2011-07-19
US20070222796A2 (en) 2007-09-27

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